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Jimmy Fallon and Heidi Klum take turns trying to stump each other about what item is hidden inside their mystery boxes. (Published Thursday, Aug. 20, 2015)

Heidi Klum is proving to be a force to be reckoned with, especially when it comes to men.

After getting dragged into Donald Trump’s election drama this week when the Republican presidential nominee hopeful said the former Victoria'a Secret model is not “a 10” anymore in a New York Times interview, Klum took on “Tonight Show” host Jimmy Fallon during a game of Box of Lies.

The recurring game consists of mystery boxes with bizarre items inside. A player chooses a box and then opens it out of the opponents view. They must then describe the contents of their box and the other player has to guess whether they are telling the truth or lying.

Klum’s lying abilities were tested first when she pulled out a small bathtub filled with mini bottles of Fireball Cinnamon Whiskey. The "Project Runway" host began describing a sort of “butterfly box” with chewed up gum stick on top,” but Fallon didn’t seem convinced.

Maybe it was the alcohol, but Fallon proved to be a bad fibber. On his turn, he claimed to have a Jello mold full of Justin Bieber heads, which Klum instantaneously — and correctly — called a lie.

The German model chose the last box, which contained a patch of moss with a pair of plastic lips on top. Unable to contain himself from making a joke about the double entendre, Fallon reminded Klum that the late night show airs “at a certain time.”

Earlier in the show, Klum talked about winning kudos with her four kids after Taylor Swift personally invited them to her concert and revealed who her favorite act is this season on “America’s Got Talent.”